--- /dev/null
+<?php
+
+namespace Drupal\Tests\rest\Unit\Plugin\views\style;
+
+use Drupal\rest\Plugin\views\display\RestExport;
+use Drupal\rest\Plugin\views\style\Serializer;
+use Drupal\Tests\UnitTestCase;
+use Drupal\views\ViewExecutable;
+use Prophecy\Argument;
+use Symfony\Component\Serializer\SerializerInterface;
+
+/**
+ * @coversDefaultClass \Drupal\rest\Plugin\views\style\Serializer
+ * @group rest
+ */
+class SerializerTest extends UnitTestCase {
+
+ /**
+ * The View instance.
+ *
+ * @var \Drupal\views\ViewExecutable|\PHPUnit_Framework_MockObject_MockObject
+ */
+ protected $view;
+
+ /**
+ * The RestExport display handler.
+ *
+ * @var \Drupal\rest\Plugin\views\display\RestExport|\PHPUnit_Framework_MockObject_MockObject
+ */
+ protected $displayHandler;
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUp() {
+ parent::setUp();
+
+ $this->view = $this->getMockBuilder(ViewExecutable::class)
+ ->disableOriginalConstructor()
+ ->getMock();
+
+ // Make the view result empty so we don't have to mock the row plugin render
+ // call.
+ $this->view->result = [];
+
+ $this->displayHandler = $this->getMockBuilder(RestExport::class)
+ ->disableOriginalConstructor()
+ ->getMock();
+
+ $this->displayHandler->expects($this->any())
+ ->method('getContentType')
+ ->willReturn('json');
+ }
+
+ /**
+ * Tests that the symfony serializer receives style plugin from the render() method.
+ *
+ * @covers ::render
+ */
+ public function testSerializerReceivesOptions() {
+ $mock_serializer = $this->prophesize(SerializerInterface::class);
+
+ // This is the main expectation of the test. We want to make sure the
+ // serializer options are passed to the SerializerInterface object.
+ $mock_serializer->serialize([], 'json', Argument::that(function ($argument) {
+ return isset($argument['views_style_plugin']) && $argument['views_style_plugin'] instanceof Serializer;
+ }))
+ ->willReturn()
+ ->shouldBeCalled();
+
+ $view_serializer_style = new Serializer([], 'dummy_serializer', [], $mock_serializer->reveal(), ['json', 'xml'], ['json' => 'serialization', 'xml' => 'serialization']);
+ $view_serializer_style->options = ['formats' => ['xml', 'json']];
+ $view_serializer_style->view = $this->view;
+ $view_serializer_style->displayHandler = $this->displayHandler;
+ $view_serializer_style->render();
+ }
+
+}